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Transabdominal ultrasound of colon cancer

Haiyang Zhou, Canping Ruan, Zhiguo Wang, Zhiqian Hu
BACKGROUND: Intersphincter resection (ISR) is considered to be a superior technique offering sphincter preservation in patients with ultralow rectal cancer.1 Because high-definition laparoscopy offers wider and clearer vision into the narrow pelvic cavity and intersphincteric space, ISR has been further refined.2 However, functional outcome after ISR has not been optimal. More than half of patients receiving ISR suffer partial or even complete anal incontinence.3 We therefore propose a laparoscopic-assisted modified ISR, with the aim of improving sphincter function following ISR...
April 2018: Annals of Surgical Oncology
Renáta Bor, Anna Fábián, Zoltán Szepes
Ultrasound is an undervalued non-invasive examination in the diagnosis of colonic diseases. It has been replaced by the considerably more expensive magnetic resonance imaging and computed tomography, despite the fact that, as first examination, it can usefully supplement the diagnostic process. Transabdominal ultrasound can provide quick information about bowel status and help in the choice of adequate further examinations and treatment. Ultrasonography, as a screening imaging modality in asymptomatic patients can identify several colonic diseases such as diverticulosis, inflammatory bowel disease or cancer...
November 21, 2016: World Journal of Gastroenterology: WJG
Daniel M Autenrieth, Daniel C Baumgart
Toxic megacolon represents a dreaded complication of mainly inflammatory or infectious conditions of the colon. It is most commonly associated with inflammatory bowel disease (IBD), i.e., ulcerative colitis or ileocolonic Crohn's disease. Lately, the epidemiology has shifted toward infectious causes, specifically due to an increase of Clostridium difficile-associated colitis possibly due to the extensive (ab)use of broad-spectrum antibiotics. Other important infectious etiologies include Salmonella, Shigella, Campylobacter, Cytomegalovirus (CMV), rotavirus, Aspergillus, and Entameba...
March 2012: Inflammatory Bowel Diseases
Anthony R Mundy, Daniela E Andrich
UNLABELLED: Study Type--Therapy (case series) Level of Evidence 4. What's known on the subject? and What does the study add? It is known that urorectal fistulae is a serious but rare complication of the treatment of carcinoma of the prostate. This study adds a distinction between post-surgical fistulate and post-irradiation fistulae. Essentially most post-surgical fistulae are simple and relatively easily dealt with: the expectation is that the patient will return to normality; whereas post-irradiation fistulate are by their nature complex and much more difficult to treat with a much more uncertain long-term outcome...
April 2011: BJU International
B A Min'ko, A I Kushnerov, V S Pruchanskiĭ, L B Alieva
Partial or complete obstruction was diagnosed by means of sonography with water filling (hydrosonography) in 48 patients with rectal or colonic cancer. The procedure appeared highly effective in detecting pathological lesions larger than 1.0 cm. It may be useful under urgent surgical conditions as a method of choice in diagnosing the nature of lesion, size, endophytic growth or grade of invasion. Hydrosonography using retrograde contrast filling may considerably enhance the potential of standard and transabdominal scanning...
2003: Voprosy Onkologii
Chiung-Nien Chen, Yung-Ming Cheng, Ming-Tsan Lin, Fon-Jou Hsieh, Po-Huang Lee, King-Jen Chang
OBJECTIVE: The purpose of this study was to investigate the clinical usefulness of microvessel density (MVD) and an in vivo angiogenesis parameter, color Doppler vascularity index (CDVI), in patients with gastric cancer. SUMMARY BACKGROUND DATA: Many studies have reported a significant association between the degree of MVD-evaluated angiogenesis with the clinicopathologic factors and prognosis of patients with various solid tumors. All these studies were accomplished on tissue sections retrospectively obtained from surgical specimens...
April 2002: Annals of Surgery
A N Gorshkov
The data of examination of 59 patients with colonic cancer were used to consider the potentialities of transabdominal, transrectal ultrasonography and X-ray computed tomography and to assess their value in diagnosing colonic cancer, including its "minor" forms. The paper describes the ultrasound and computed tomographic semiotics of colonic cancer and determines a place of the above techniques in the algorithm of radiation and instrumental studies. Inclusion of these techniques into the diagnostic algorithm may solve a range of differentially diagnostic problems and allows a preliminary analysis to be made in a tumor lesion according to the International TNM classification...
January 2001: Vestnik Rentgenologii i Radiologii
C N Chen, Y M Cheng, J T Liang, P H Lee, F J Hsieh, R H Yuan, S M Wang, M F Chang, K J Chang
The purpose of this study was to investigate the clinical usefulness of the color Doppler vascularity index (CDVI) in patients with colon cancer before surgery. Forty-four patients with sonographically visible tumor mass of colon cancer were investigated. The CDVI of each tumor was determined using transabdominal color Doppler ultrasound. The CDVI was defined as the ratio of the number of the colored pixels within a tumor section to the number of total pixels in that specific tumor section and was calculated by using Encomate software (Electronic Business Machine Co...
June 1, 2000: Cancer Research
B S Kramer, J Gohagan, P C Prorok, C Smart
BACKGROUND. Ovarian cancer is the fifth most common cause of cancer-related death in American women. The median age at diagnosis is about 62 years; incidence rises rapidly after age 60. Pelvic examination has been the primary method for detection of ovarian carcinoma. It is insensitive for the detection of early disease, however: most women present with disease beyond the pelvis (Stages III and IV) and are not curable with existing techniques. Two new technologies may be useful as screening tools for earlier detection of ovarian cancer...
January 15, 1993: Cancer
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